diff --git a/web/features/new-rag/__tests__/quality-page.spec.tsx b/web/features/new-rag/__tests__/quality-page.spec.tsx
index e43c1956a43..50e0426393d 100644
--- a/web/features/new-rag/__tests__/quality-page.spec.tsx
+++ b/web/features/new-rag/__tests__/quality-page.spec.tsx
@@ -1,8 +1,7 @@
-import type { ReactNode } from 'react'
 import { QueryClient, QueryClientProvider } from '@tanstack/react-query'
 import { screen, waitFor, within } from '@testing-library/react'
 import userEvent from '@testing-library/user-event'
-import { render } from '@/test/console/render'
+import { renderWithNuqs as render } from '@/test/nuqs-testing'
 import { QualityPage } from '../quality/quality-page'
 
 vi.mock('../quality/quality-evaluation-panel', () => ({
@@ -40,9 +39,6 @@ vi.mock('../knowledge-space-context', () => ({
 
 vi.mock('@/next/navigation', () => ({
   useRouter: () => routerMock,
-  useSearchParams: () => ({
-    get: (key: string) => (key === 'tab' ? navigationMock.tab : undefined),
-  }),
 }))
 
 vi.mock('@langgenius/dify-ui/toast', () => ({
@@ -137,10 +133,12 @@ function renderPage() {
       queries: { retry: false },
     },
   })
-  const Wrapper = ({ children }: { children: ReactNode }) => (
-    <QueryClientProvider client={queryClient}>{children}</QueryClientProvider>
+  return render(
+    <QueryClientProvider client={queryClient}>
+      <QualityPage knowledgeSpaceId="space-1" />
+    </QueryClientProvider>,
+    { searchParams: navigationMock.tab ? `?tab=${navigationMock.tab}` : '' },
   )
-  return render(<QualityPage knowledgeSpaceId="space-1" />, { wrapper: Wrapper })
 }
 
 describe('QualityPage', () => {
@@ -268,7 +266,7 @@ describe('QualityPage', () => {
 
   it('uses tab primitive relationships and keeps route state in sync', async () => {
     const user = userEvent.setup()
-    renderPage()
+    const { onUrlUpdate } = renderPage()
 
     const goldenTab = await screen.findByRole('tab', {
       name: 'dataset.newKnowledge.qualityPage.goldenTab',
@@ -280,7 +278,9 @@ describe('QualityPage', () => {
     expect(badCasesTab).toHaveAttribute('tabindex', '-1')
     await user.click(badCasesTab)
 
-    expect(routerMock.replace).toHaveBeenCalledWith('/datasets/new/space-1/quality?tab=bad-cases')
+    await waitFor(() => expect(onUrlUpdate).toHaveBeenCalled())
+    expect(onUrlUpdate.mock.calls.at(-1)?.[0].searchParams.get('tab')).toBe('bad-cases')
+    expect(onUrlUpdate.mock.calls.at(-1)?.[0].options.history).toBe('replace')
   })
 
   it('renders an empty golden-question annotation without an empty interactive control', async () => {
diff --git a/web/features/new-rag/quality/bad-cases-panel.tsx b/web/features/new-rag/quality/bad-cases-panel.tsx
new file mode 100644
index 00000000000..33f2c1b3579
--- /dev/null
+++ b/web/features/new-rag/quality/bad-cases-panel.tsx
@@ -0,0 +1,399 @@
+'use client'
+
+import type { KnowledgeFsBadCaseResponse } from '@dify/contracts/api/console/knowledge-fs/types.gen'
+import type { GoldenQuestionDraft } from './types'
+import { Button } from '@langgenius/dify-ui/button'
+import { cn } from '@langgenius/dify-ui/cn'
+import {
+  DropdownMenu,
+  DropdownMenuContent,
+  DropdownMenuItem,
+  DropdownMenuSeparator,
+} from '@langgenius/dify-ui/dropdown-menu'
+import { toast } from '@langgenius/dify-ui/toast'
+import { useInfiniteQuery, useMutation, useQueryClient } from '@tanstack/react-query'
+import { useRef, useState } from 'react'
+import { useTranslation } from 'react-i18next'
+import { useRouter } from '@/next/navigation'
+import { consoleClient, consoleQuery } from '@/service/client'
+import { newKnowledgeRetrievalTestPath } from '../routes'
+import { GoldenQuestionDialog } from './golden-question-dialog'
+import {
+  formatQualityUpdatedAt,
+  goldenQuestionPayload,
+  qualityPageSize,
+  visibleQualityTags,
+} from './quality-model'
+import { QualityQueryState } from './quality-query-state'
+import { QualityRowMenuTrigger } from './quality-row-menu-trigger'
+
+type BadCasesPanelProps = {
+  canEdit: boolean
+  knowledgeSpaceId: string
+}
+
+function BadCaseReason({
+  question,
+  reason,
+  tags,
+}: {
+  question?: string
+  reason: string
+  tags: string[]
+}) {
+  const { t } = useTranslation('dataset')
+  const normalized = reason.toLowerCase()
+  if (normalized === 'low-score' || (normalized.includes('low') && normalized.includes('score')))
+    return t(($) => $['newKnowledge.qualityPage.reasonValues.lowScore'])
+  if (normalized.includes('outdated'))
+    return t(($) => $['newKnowledge.qualityPage.reasonValues.outdatedContent'])
+  if (
+    (tags.includes('retrieval-test') && reason.trim() === question?.trim()) ||
+    normalized.includes('retrieval') ||
+    normalized.includes('miss')
+  )
+    return t(($) => $['newKnowledge.qualityPage.reasonValues.retrievalMiss'])
+  if (normalized.includes('coverage') || normalized.includes('evidence'))
+    return t(($) => $['newKnowledge.qualityPage.reasonValues.coverageGap'])
+  return reason
+}
+
+function BadCaseStatus({ status }: { status: KnowledgeFsBadCaseResponse['status'] }) {
+  const { t } = useTranslation('dataset')
+  const visibleStatus = status === 'dismissed' ? 'fixed' : status
+  return (
+    <div className="flex h-5 items-center gap-1.5 system-xs-medium text-text-primary">
+      <span
+        aria-hidden
+        className={cn(
+          'size-1.5 rounded-sm border shadow-xs',
+          visibleStatus === 'open' &&
+            'border-util-colors-warning-warning-600 bg-util-colors-warning-warning-400 shadow-util-colors-warning-warning-200',
+          visibleStatus === 'replaying' &&
+            'border-util-colors-blue-light-blue-light-600 bg-util-colors-blue-light-blue-light-400 shadow-util-colors-blue-light-blue-light-200',
+          visibleStatus === 'fixed' &&
+            'border-util-colors-green-green-600 bg-util-colors-green-green-400 shadow-util-colors-green-green-200',
+        )}
+      />
+      {t(($) => $[`newKnowledge.qualityPage.status.${visibleStatus}`])}
+    </div>
+  )
+}
+
+export function BadCasesPanel({ canEdit, knowledgeSpaceId }: BadCasesPanelProps) {
+  const { t } = useTranslation('dataset')
+  const router = useRouter()
+  const queryClient = useQueryClient()
+  const [pendingId, setPendingId] = useState<string>()
+  const [dialog, setDialog] = useState<{
+    id: string
+    key: string
+    value: GoldenQuestionDraft
+  }>()
+  const [dialogError, setDialogError] = useState<string>()
+  const [dialogSubmitting, setDialogSubmitting] = useState(false)
+  const promotedGoldenQuestionIdsRef = useRef(new Map<string, string>())
+  const badCaseQueryOptions =
+    consoleQuery.knowledgeFs.spaces.byControlSpaceId.quality.badCases.get.infiniteOptions({
+      input: (pageParam) => ({
+        params: { control_space_id: knowledgeSpaceId },
+        query: {
+          limit: qualityPageSize,
+          ...(typeof pageParam === 'string' ? { cursor: pageParam } : {}),
+        },
+      }),
+      getNextPageParam: (lastPage) => lastPage.next_cursor ?? undefined,
+      initialPageParam: null as string | null,
+    })
+  const goldenQueryOptions =
+    consoleQuery.knowledgeFs.spaces.byControlSpaceId.goldenQuestions.get.infiniteOptions({
+      input: (pageParam) => ({
+        params: { control_space_id: knowledgeSpaceId },
+        query: {
+          limit: qualityPageSize,
+          ...(typeof pageParam === 'string' ? { cursor: pageParam } : {}),
+        },
+      }),
+      getNextPageParam: (lastPage) => lastPage.next_cursor ?? undefined,
+      initialPageParam: null as string | null,
+    })
+  const query = useInfiniteQuery(badCaseQueryOptions)
+  const createGoldenMutation = useMutation(
+    consoleQuery.knowledgeFs.spaces.byControlSpaceId.goldenQuestions.post.mutationOptions(),
+  )
+  const deleteGoldenMutation = useMutation(
+    consoleQuery.knowledgeFs.spaces.byControlSpaceId.goldenQuestions.byQuestionId.delete.mutationOptions(),
+  )
+  const items = (query.data?.pages.flatMap((page) => page.data) ?? []).filter(
+    (item) => item.status !== 'dismissed',
+  )
+
+  const invalidateQuality = async () => {
+    await Promise.all([
+      queryClient.invalidateQueries({ queryKey: goldenQueryOptions.queryKey }),
+      queryClient.invalidateQueries({ queryKey: badCaseQueryOptions.queryKey }),
+    ])
+  }
+  const getBadCase = (badCaseId: string) =>
+    consoleClient.knowledgeFs.spaces.byControlSpaceId.quality.badCases.byBadCaseId.get({
+      params: { bad_case_id: badCaseId, control_space_id: knowledgeSpaceId },
+    })
+  const markBadCaseDismissed = async (
+    badCase: KnowledgeFsBadCaseResponse,
+    tags: string[] = badCase.tags,
+  ) => {
+    try {
+      await consoleClient.knowledgeFs.spaces.byControlSpaceId.quality.badCases.byBadCaseId.patch({
+        body: {
+          expected_revision: badCase.revision,
+          status: 'dismissed',
+          tags,
+        },
+        params: { bad_case_id: badCase.id, control_space_id: knowledgeSpaceId },
+      })
+    } catch (error) {
+      const refreshed = await getBadCase(badCase.id).catch(() => undefined)
+      if (refreshed?.status !== 'dismissed') throw error
+    }
+  }
+
+  const submitPromotion = async (draft: GoldenQuestionDraft) => {
+    if (!dialog) return
+    setDialogError(undefined)
+    setDialogSubmitting(true)
+    try {
+      const badCase = await getBadCase(dialog.id)
+      let goldenQuestionId = promotedGoldenQuestionIdsRef.current.get(badCase.id)
+      if (!goldenQuestionId) {
+        const createdGoldenQuestion = await createGoldenMutation.mutateAsync({
+          body: {
+            ...goldenQuestionPayload(draft),
+            source_bad_case_id: badCase.id,
+          },
+          params: { control_space_id: knowledgeSpaceId },
+        })
+        goldenQuestionId = createdGoldenQuestion.id
+        promotedGoldenQuestionIdsRef.current.set(badCase.id, goldenQuestionId)
+      }
+      try {
+        await markBadCaseDismissed(badCase, visibleQualityTags(badCase.tags))
+        promotedGoldenQuestionIdsRef.current.delete(badCase.id)
+      } catch (error) {
+        try {
+          await deleteGoldenMutation.mutateAsync({
+            params: { control_space_id: knowledgeSpaceId, question_id: goldenQuestionId },
+          })
+          promotedGoldenQuestionIdsRef.current.delete(badCase.id)
+        } catch {
+          // Keep the created ID so retrying resumes dismissal without creating a duplicate.
+        }
+        throw error
+      }
+      toast.success(t(($) => $['newKnowledge.qualityPage.promotedToast']))
+      await invalidateQuality()
+      setDialog(undefined)
+    } catch {
+      setDialogError(t(($) => $.unknownError))
+    } finally {
+      setDialogSubmitting(false)
+    }
+  }
+
+  const replayBadCase = async (item: KnowledgeFsBadCaseResponse) => {
+    setPendingId(item.id)
+    try {
+      const reference =
+        await consoleClient.knowledgeFs.spaces.byControlSpaceId.quality.badCases.byBadCaseId.traceReference.get(
+          { params: { bad_case_id: item.id, control_space_id: knowledgeSpaceId } },
+        )
+      const search = new URLSearchParams({ retest: reference.trace_id, trace: reference.trace_id })
+      router.push(`${newKnowledgeRetrievalTestPath(knowledgeSpaceId)}?${search.toString()}`)
+    } catch {
+      toast.error(t(($) => $.unknownError))
+    } finally {
+      setPendingId(undefined)
+    }
+  }
+  const ignoreBadCase = async (item: KnowledgeFsBadCaseResponse) => {
+    setPendingId(item.id)
+    try {
+      const badCase = await getBadCase(item.id)
+      await markBadCaseDismissed(badCase)
+      await queryClient.invalidateQueries({ queryKey: badCaseQueryOptions.queryKey })
+    } catch {
+      toast.error(t(($) => $.unknownError))
+    } finally {
+      setPendingId(undefined)
+    }
+  }
+  const openTrace = async (badCaseId: string) => {
+    try {
+      const reference =
+        await consoleClient.knowledgeFs.spaces.byControlSpaceId.quality.badCases.byBadCaseId.traceReference.get(
+          { params: { bad_case_id: badCaseId, control_space_id: knowledgeSpaceId } },
+        )
+      router.push(`${newKnowledgeRetrievalTestPath(knowledgeSpaceId)}?trace=${reference.trace_id}`)
+    } catch {
+      toast.error(t(($) => $.unknownError))
+    }
+  }
+  const openPromotion = (item: KnowledgeFsBadCaseResponse) =>
+    setDialog({
+      id: item.id,
+      key: `promote-${item.id}-${Date.now()}`,
+      value: {
+        annotation: '',
+        expectedEvidenceIds: [],
+        matchPolicy: 'all',
+        question: item.question ?? '',
+        tags: visibleQualityTags(item.tags),
+      },
+    })
+
+  return (
+    <>
+      <QualityQueryState
+        error={query.isError}
+        loading={query.isLoading}
+        onRetry={() => void query.refetch()}
+      >
+        {items.length ? (
+          <div className="mt-2.5 w-full overflow-x-auto pt-3">
+            <div className="grid min-w-202 grid-cols-[minmax(240px,624px)_140px_180px_120px_80px] items-center gap-3 py-2.5 text-[11px] leading-4 font-medium text-text-tertiary">
+              <span>{t(($) => $['newKnowledge.qualityPage.question'])}</span>
+              <span>{t(($) => $['newKnowledge.qualityPage.statusLabel'])}</span>
+              <span>{t(($) => $['newKnowledge.qualityPage.reason'])}</span>
+              <span>{t(($) => $['newKnowledge.qualityPage.updated'])}</span>
+              <span />
+            </div>
+            {items.map((item) => (
+              <div
+                key={item.id}
+                className="grid h-12 min-w-202 grid-cols-[minmax(240px,624px)_140px_180px_120px_80px] items-center gap-3 border-t border-divider-subtle"
+              >
+                <span className="truncate system-sm-medium text-text-primary">{item.question}</span>
+                <BadCaseStatus status={item.status} />
+                <span className="system-xs-regular text-text-secondary">
+                  <BadCaseReason question={item.question} reason={item.reason} tags={item.tags} />
+                </span>
+                <span className="system-xs-regular text-text-secondary">
+                  {formatQualityUpdatedAt(item.updated_at)}
+                </span>
+                <DropdownMenu modal={false}>
+                  <QualityRowMenuTrigger
+                    disabled={pendingId === item.id}
+                    label={t(($) => $['newKnowledge.qualityPage.questionActions'], {
+                      question: item.question ?? '',
+                    })}
+                  />
+                  <DropdownMenuContent placement="bottom-end" sideOffset={4} className="w-[200px]">
+                    {canEdit &&
+                      (item.status === 'fixed' ? (
+                        <DropdownMenuItem
+                          className="gap-2 px-3"
+                          onClick={() => openPromotion(item)}
+                        >
+                          <span aria-hidden className="i-ri-star-line size-4" />
+                          {t(($) => $['newKnowledge.qualityPage.toGolden'])}
+                        </DropdownMenuItem>
+                      ) : (
+                        <DropdownMenuItem
+                          className="gap-2 px-3"
+                          disabled={item.status === 'replaying' || pendingId === item.id}
+                          onClick={() => void replayBadCase(item)}
+                        >
+                          <span aria-hidden className="i-ri-restart-line size-4" />
+                          {t(($) => $['newKnowledge.qualityPage.replay'])}
+                        </DropdownMenuItem>
+                      ))}
+                    <DropdownMenuItem
+                      className="gap-2 px-3"
+                      disabled={pendingId === item.id}
+                      onClick={() => void openTrace(item.id)}
+                    >
+                      <span aria-hidden className="i-ri-arrow-right-up-line size-4" />
+                      {t(($) => $['newKnowledge.qualityPage.openTrace'])}
+                    </DropdownMenuItem>
+                    {canEdit && item.status !== 'fixed' && (
+                      <DropdownMenuItem
+                        className="gap-2 px-3"
+                        disabled={pendingId === item.id}
+                        onClick={() => openPromotion(item)}
+                      >
+                        <span aria-hidden className="i-ri-star-line size-4" />
+                        {t(($) => $['newKnowledge.qualityPage.toGolden'])}
+                      </DropdownMenuItem>
+                    )}
+                    {canEdit && <DropdownMenuSeparator />}
+                    {canEdit && (
+                      <DropdownMenuItem
+                        className="gap-2 px-3"
+                        disabled={pendingId === item.id}
+                        onClick={() => void ignoreBadCase(item)}
+                      >
+                        <span aria-hidden className="i-ri-eye-off-line size-4" />
+                        {t(($) => $['newKnowledge.qualityPage.ignore'])}
+                      </DropdownMenuItem>
+                    )}
+                  </DropdownMenuContent>
+                </DropdownMenu>
+              </div>
+            ))}
+            {query.hasNextPage && (
+              <div className="flex min-w-202 justify-center border-t border-divider-subtle py-4">
+                <Button
+                  loading={query.isFetchingNextPage}
+                  disabled={query.isFetchingNextPage}
+                  onClick={() => void query.fetchNextPage()}
+                >
+                  {t(($) => $['newKnowledge.loadMore'])}
+                </Button>
+              </div>
+            )}
+          </div>
+        ) : (
+          <div className="mt-2.5 flex h-140 flex-col items-center justify-center text-center">
+            <span aria-hidden className="i-ri-check-line size-7 text-text-tertiary" />
+            <h2 className="mt-3 system-md-semibold text-text-primary">
+              {t(($) => $['newKnowledge.qualityPage.badCasesEmptyTitle'])}
+            </h2>
+            <p className="mt-1 max-w-136 system-xs-regular text-text-tertiary">
+              {t(($) => $['newKnowledge.qualityPage.badCasesEmptyDescription'])}
+            </p>
+            {query.hasNextPage && (
+              <Button
+                className="mt-4"
+                loading={query.isFetchingNextPage}
+                disabled={query.isFetchingNextPage}
+                onClick={() => void query.fetchNextPage()}
+              >
+                {t(($) => $['newKnowledge.loadMore'])}
+              </Button>
+            )}
+          </div>
+        )}
+      </QualityQueryState>
+
+      {dialog && (
+        <GoldenQuestionDialog
+          key={dialog.key}
+          initialValue={dialog.value}
+          knowledgeSpaceId={knowledgeSpaceId}
+          mode="promote"
+          open
+          error={dialogError}
+          pending={
+            dialogSubmitting || createGoldenMutation.isPending || deleteGoldenMutation.isPending
+          }
+          onOpenChange={(open) => {
+            if (!open) {
+              setDialog(undefined)
+              setDialogError(undefined)
+            }
+          }}
+          onSubmit={submitPromotion}
+        />
+      )}
+    </>
+  )
+}
diff --git a/web/features/new-rag/quality/golden-questions-panel.tsx b/web/features/new-rag/quality/golden-questions-panel.tsx
new file mode 100644
index 00000000000..dc4d7ab3ffe
--- /dev/null
+++ b/web/features/new-rag/quality/golden-questions-panel.tsx
@@ -0,0 +1,475 @@
+'use client'
+
+import type { KnowledgeFsGoldenQuestionResponse } from '@dify/contracts/api/console/knowledge-fs/types.gen'
+import type { GoldenQuestionDraft } from './types'
+import {
+  AlertDialog,
+  AlertDialogActions,
+  AlertDialogCancelButton,
+  AlertDialogConfirmButton,
+  AlertDialogContent,
+  AlertDialogDescription,
+  AlertDialogTitle,
+} from '@langgenius/dify-ui/alert-dialog'
+import { Button } from '@langgenius/dify-ui/button'
+import { Checkbox } from '@langgenius/dify-ui/checkbox'
+import { cn } from '@langgenius/dify-ui/cn'
+import {
+  DropdownMenu,
+  DropdownMenuContent,
+  DropdownMenuItem,
+  DropdownMenuSeparator,
+} from '@langgenius/dify-ui/dropdown-menu'
+import { Popover, PopoverContent, PopoverTrigger } from '@langgenius/dify-ui/popover'
+import { toast } from '@langgenius/dify-ui/toast'
+import { useInfiniteQuery, useMutation, useQueryClient } from '@tanstack/react-query'
+import { useState } from 'react'
+import { createPortal } from 'react-dom'
+import { useTranslation } from 'react-i18next'
+import Badge from '@/app/components/base/badge'
+import { consoleQuery } from '@/service/client'
+import { GoldenQuestionDialog } from './golden-question-dialog'
+import { GoldenQuestionImportDialog } from './golden-question-import-dialog'
+import {
+  emptyGoldenQuestionDraft,
+  formatQualityUpdatedAt,
+  goldenQuestionPayload,
+  qualityPageSize,
+  visibleQualityTags,
+} from './quality-model'
+import { QualityQueryState } from './quality-query-state'
+import { QualityRowMenuTrigger } from './quality-row-menu-trigger'
+
+type GoldenQuestionsPanelProps = {
+  actionSlot: HTMLDivElement | null
+  canEdit: boolean
+  knowledgeSpaceId: string
+}
+
+type GoldenQuestionDialogState =
+  | { key: string; mode: 'create'; value: GoldenQuestionDraft }
+  | { id: string; key: string; mode: 'edit'; value: GoldenQuestionDraft }
+
+function GoldenStatus({ status }: { status: 'active' | 'draft' | 'stale' }) {
+  const { t } = useTranslation('dataset')
+  return (
+    <span
+      className={cn(
+        'inline-flex w-fit items-center rounded-md px-1.5 py-0.5 system-2xs-medium-uppercase',
+        status === 'active' && 'bg-state-success-hover text-text-success',
+        status === 'draft' && 'bg-state-warning-hover text-text-warning',
+        status === 'stale' && 'bg-state-destructive-hover text-text-destructive',
+      )}
+    >
+      {t(($) => $[`newKnowledge.qualityPage.goldenStatus.${status}`])}
+    </span>
+  )
+}
+
+function GoldenAnnotation({ annotation }: { annotation: string }) {
+  if (!annotation.trim()) return <span className="system-xs-regular text-text-tertiary">—</span>
+  return (
+    <Popover>
+      <PopoverTrigger
+        openOnHover
+        delay={300}
+        closeDelay={200}
+        render={
+          <button
+            type="button"
+            className="block w-fit max-w-full min-w-0 truncate text-left system-xs-regular text-text-secondary outline-hidden focus-visible:ring-2 focus-visible:ring-state-accent-solid"
+          >
+            {annotation}
+          </button>
+        }
+      />
+      <PopoverContent placement="top" className="max-w-67 px-3 py-2">
+        <p className="system-xs-regular wrap-break-word text-text-tertiary">{annotation}</p>
+      </PopoverContent>
+    </Popover>
+  )
+}
+
+export function GoldenQuestionsPanel({
+  actionSlot,
+  canEdit,
+  knowledgeSpaceId,
+}: GoldenQuestionsPanelProps) {
+  const { t } = useTranslation('dataset')
+  const { t: tCommon } = useTranslation('common')
+  const queryClient = useQueryClient()
+  const [selected, setSelected] = useState<Set<string>>(() => new Set())
+  const [deleteIds, setDeleteIds] = useState<Set<string>>()
+  const [deleteSubmitting, setDeleteSubmitting] = useState(false)
+  const [dialog, setDialog] = useState<GoldenQuestionDialogState>()
+  const [dialogError, setDialogError] = useState<string>()
+  const [dialogSubmitting, setDialogSubmitting] = useState(false)
+  const [importOpen, setImportOpen] = useState(false)
+  const queryOptions =
+    consoleQuery.knowledgeFs.spaces.byControlSpaceId.goldenQuestions.get.infiniteOptions({
+      input: (pageParam) => ({
+        params: { control_space_id: knowledgeSpaceId },
+        query: {
+          limit: qualityPageSize,
+          ...(typeof pageParam === 'string' ? { cursor: pageParam } : {}),
+        },
+      }),
+      getNextPageParam: (lastPage) => lastPage.next_cursor ?? undefined,
+      initialPageParam: null as string | null,
+    })
+  const query = useInfiniteQuery(queryOptions)
+  const createMutation = useMutation(
+    consoleQuery.knowledgeFs.spaces.byControlSpaceId.goldenQuestions.post.mutationOptions(),
+  )
+  const updateMutation = useMutation(
+    consoleQuery.knowledgeFs.spaces.byControlSpaceId.goldenQuestions.byQuestionId.patch.mutationOptions(),
+  )
+  const deleteMutation = useMutation(
+    consoleQuery.knowledgeFs.spaces.byControlSpaceId.goldenQuestions.byQuestionId.delete.mutationOptions(),
+  )
+  const items = query.data?.pages.flatMap((page) => page.data) ?? []
+  const allSelected = items.length > 0 && selected.size === items.length
+  const partiallySelected = selected.size > 0 && !allSelected
+
+  const invalidate = () => queryClient.invalidateQueries({ queryKey: queryOptions.queryKey })
+  const openCreate = () =>
+    setDialog({
+      key: `create-${Date.now()}`,
+      mode: 'create',
+      value: emptyGoldenQuestionDraft,
+    })
+  const openEdit = (item: KnowledgeFsGoldenQuestionResponse) =>
+    setDialog({
+      id: item.id,
+      key: `edit-${item.id}-${Date.now()}`,
+      mode: 'edit',
+      value: {
+        annotation: item.annotation,
+        expectedEvidenceIds: item.expected_evidence_ids ?? [],
+        matchPolicy: item.match_policy ?? 'all',
+        question: item.question,
+        tags: item.tags,
+      },
+    })
+  const toggleAll = () =>
+    setSelected(allSelected ? new Set() : new Set(items.map((item) => item.id)))
+  const toggleOne = (id: string) =>
+    setSelected((current) => {
+      const next = new Set(current)
+      if (next.has(id)) next.delete(id)
+      else next.add(id)
+      return next
+    })
+
+  const submitDialog = async (draft: GoldenQuestionDraft) => {
+    if (!dialog) return
+    setDialogError(undefined)
+    setDialogSubmitting(true)
+    try {
+      if (dialog.mode === 'edit') {
+        await updateMutation.mutateAsync({
+          body: goldenQuestionPayload(draft),
+          params: { control_space_id: knowledgeSpaceId, question_id: dialog.id },
+        })
+        toast.success(t(($) => $['newKnowledge.qualityPage.updatedToast']))
+      } else {
+        await createMutation.mutateAsync({
+          body: goldenQuestionPayload(draft),
+          params: { control_space_id: knowledgeSpaceId },
+        })
+        toast.success(t(($) => $['newKnowledge.qualityPage.createdToast']))
+      }
+      await invalidate()
+      setDialog(undefined)
+    } catch {
+      setDialogError(t(($) => $.unknownError))
+    } finally {
+      setDialogSubmitting(false)
+    }
+  }
+
+  const deleteGolden = async (ids: Set<string>): Promise<boolean> => {
+    setDeleteSubmitting(true)
+    try {
+      const results = await Promise.allSettled(
+        [...ids].map((questionId) =>
+          deleteMutation
+            .mutateAsync({
+              params: { control_space_id: knowledgeSpaceId, question_id: questionId },
+            })
+            .then(() => questionId),
+        ),
+      )
+      const deletedIds = new Set(
+        results.flatMap((result) => (result.status === 'fulfilled' ? [result.value] : [])),
+      )
+      const failedIds = new Set([...ids].filter((id) => !deletedIds.has(id)))
+      setSelected((current) => new Set([...current].filter((id) => !deletedIds.has(id))))
+      await invalidate().catch(() => undefined)
+      if (failedIds.size > 0) {
+        setDeleteIds(failedIds)
+        toast.error(t(($) => $.unknownError))
+        return false
+      }
+      toast.success(
+        t(
+          ($) =>
+            $[
+              ids.size === 1
+                ? 'newKnowledge.qualityPage.deletedToast_one'
+                : 'newKnowledge.qualityPage.deletedToast_other'
+            ],
+          { count: ids.size },
+        ),
+      )
+      setDeleteIds(undefined)
+      return true
+    } catch {
+      toast.error(t(($) => $.unknownError))
+      return false
+    } finally {
+      setDeleteSubmitting(false)
+    }
+  }
+
+  return (
+    <>
+      {actionSlot &&
+        canEdit &&
+        items.length > 0 &&
+        createPortal(
+          <>
+            <Button className="gap-1" onClick={() => setImportOpen(true)}>
+              <span aria-hidden className="i-ri-download-line size-4" />
+              {t(($) => $['newKnowledge.qualityPage.importCsv'])}
+            </Button>
+            <Button variant="primary" className="gap-1" onClick={openCreate}>
+              <span aria-hidden className="i-ri-add-line size-4" />
+              {t(($) => $['newKnowledge.qualityPage.addGolden'])}
+            </Button>
+          </>,
+          actionSlot,
+        )}
+
+      <QualityQueryState
+        error={query.isError}
+        loading={query.isLoading}
+        onRetry={() => void query.refetch()}
+      >
+        {items.length ? (
+          <div className="mt-2.5 w-full overflow-x-auto pt-3">
+            <div className="grid min-w-195 grid-cols-[16px_minmax(180px,2fr)_90px_minmax(120px,1fr)_minmax(160px,1.5fr)_minmax(100px,0.75fr)_32px] items-center gap-3 py-2.5 text-[11px] leading-4 font-medium text-text-tertiary">
+              <Checkbox
+                aria-label={t(($) => $['newKnowledge.qualityPage.selectAll'])}
+                checked={allSelected}
+                disabled={!canEdit}
+                indeterminate={partiallySelected}
+                onCheckedChange={toggleAll}
+              />
+              <span>{t(($) => $['newKnowledge.qualityPage.question'])}</span>
+              <span>{t(($) => $['newKnowledge.qualityPage.statusLabel'])}</span>
+              <span>{t(($) => $['newKnowledge.qualityPage.tags'])}</span>
+              <span>{t(($) => $['newKnowledge.qualityPage.annotation'])}</span>
+              <span>{t(($) => $['newKnowledge.qualityPage.updated'])}</span>
+              <span />
+            </div>
+            {items.map((item) => (
+              <div
+                key={item.id}
+                className="grid h-12 min-w-195 grid-cols-[16px_minmax(180px,2fr)_90px_minmax(120px,1fr)_minmax(160px,1.5fr)_minmax(100px,0.75fr)_32px] items-center gap-3 border-t border-divider-subtle"
+              >
+                <Checkbox
+                  aria-label={t(($) => $['newKnowledge.qualityPage.selectQuestion'], {
+                    question: item.question,
+                  })}
+                  checked={selected.has(item.id)}
+                  disabled={!canEdit}
+                  onCheckedChange={() => toggleOne(item.id)}
+                />
+                <span className="truncate system-sm-medium text-text-primary">
+                  {item.question ?? ''}
+                </span>
+                <GoldenStatus
+                  status={
+                    item.status ??
+                    ((item.expected_evidence_ids?.length ?? 0) > 0 ? 'active' : 'draft')
+                  }
+                />
+                <div className="flex min-w-0 gap-1 overflow-hidden">
+                  {visibleQualityTags(item.tags).map((tag) => (
+                    <Badge key={tag} size="xs" variant="dimm" className="max-w-full min-w-0">
+                      <span className="min-w-0 truncate system-2xs-medium normal-case">{tag}</span>
+                    </Badge>
+                  ))}
+                </div>
+                <GoldenAnnotation annotation={item.annotation} />
+                <span className="system-xs-regular text-text-secondary">
+                  {formatQualityUpdatedAt(item.updated_at)}
+                </span>
+                {canEdit ? (
+                  <DropdownMenu modal={false}>
+                    <QualityRowMenuTrigger
+                      label={t(($) => $['newKnowledge.qualityPage.questionActions'], {
+                        question: item.question,
+                      })}
+                    />
+                    <DropdownMenuContent
+                      placement="bottom-end"
+                      sideOffset={4}
+                      className="w-[200px]"
+                    >
+                      <DropdownMenuItem className="gap-2 px-3" onClick={() => openEdit(item)}>
+                        <span aria-hidden className="i-ri-edit-line size-4" />
+                        {t(($) => $['newKnowledge.qualityPage.edit'])}
+                      </DropdownMenuItem>
+                      <DropdownMenuSeparator />
+                      <DropdownMenuItem
+                        variant="destructive"
+                        className="gap-2 px-3"
+                        onClick={() => setDeleteIds(new Set([item.id]))}
+                      >
+                        <span aria-hidden className="i-ri-delete-bin-line size-4" />
+                        {t(($) => $['newKnowledge.qualityPage.delete'])}
+                      </DropdownMenuItem>
+                    </DropdownMenuContent>
+                  </DropdownMenu>
+                ) : (
+                  <span />
+                )}
+              </div>
+            ))}
+            {query.hasNextPage && (
+              <div className="flex min-w-195 justify-center border-t border-divider-subtle py-4">
+                <Button
+                  loading={query.isFetchingNextPage}
+                  disabled={query.isFetchingNextPage}
+                  onClick={() => void query.fetchNextPage()}
+                >
+                  {t(($) => $['newKnowledge.loadMore'])}
+                </Button>
+              </div>
+            )}
+          </div>
+        ) : (
+          <div className="mt-2.5 flex h-140 flex-col items-center justify-center text-center">
+            <span aria-hidden className="i-ri-thumb-up-line size-7 text-text-tertiary" />
+            <h2 className="mt-3 system-md-semibold text-text-primary">
+              {t(($) => $['newKnowledge.qualityPage.goldenEmptyTitle'])}
+            </h2>
+            <p className="mt-1 max-w-lg system-xs-regular text-text-tertiary">
+              {t(($) => $['newKnowledge.qualityPage.goldenEmptyDescription'])}
+            </p>
+            {canEdit && (
+              <div className="mt-4 flex gap-2">
+                <Button className="gap-1" onClick={() => setImportOpen(true)}>
+                  <span aria-hidden className="i-ri-download-line size-4" />
+                  {t(($) => $['newKnowledge.qualityPage.importCsv'])}
+                </Button>
+                <Button variant="primary" className="gap-1" onClick={openCreate}>
+                  <span aria-hidden className="i-ri-add-line size-4" />
+                  {t(($) => $['newKnowledge.qualityPage.addGolden'])}
+                </Button>
+              </div>
+            )}
+          </div>
+        )}
+      </QualityQueryState>
+
+      {canEdit && selected.size > 0 && (
+        <div className="fixed bottom-6 left-[calc(50%+var(--new-rag-sidebar-width)/2)] flex h-12 -translate-x-1/2 items-center gap-2 rounded-xl border border-components-panel-border bg-components-panel-bg px-3 shadow-xl">
+          <span className="system-sm-medium text-text-primary">
+            {t(
+              ($) =>
+                $[
+                  selected.size === 1
+                    ? 'newKnowledge.qualityPage.selectedCount_one'
+                    : 'newKnowledge.qualityPage.selectedCount_other'
+                ],
+              { count: selected.size },
+            )}
+          </span>
+          <span aria-hidden className="h-5 w-px bg-divider-regular" />
+          <Button
+            variant="secondary"
+            tone="destructive"
+            onClick={() => setDeleteIds(new Set(selected))}
+          >
+            {t(($) => $['newKnowledge.qualityPage.deleteEllipsis'])}
+          </Button>
+          <button
+            type="button"
+            aria-label={t(($) => $['newKnowledge.qualityPage.clearSelection'])}
+            className="flex size-7 items-center justify-center rounded-md text-text-tertiary outline-hidden hover:bg-state-base-hover focus-visible:ring-2 focus-visible:ring-state-accent-solid"
+            onClick={() => setSelected(new Set())}
+          >
+            <span aria-hidden className="i-ri-close-line size-4" />
+          </button>
+        </div>
+      )}
+
+      {dialog && (
+        <GoldenQuestionDialog
+          key={dialog.key}
+          initialValue={dialog.value}
+          knowledgeSpaceId={knowledgeSpaceId}
+          mode={dialog.mode}
+          open
+          error={dialogError}
+          pending={
+            dialogSubmitting ||
+            createMutation.isPending ||
+            updateMutation.isPending ||
+            deleteMutation.isPending
+          }
+          onOpenChange={(open) => {
+            if (!open) {
+              setDialog(undefined)
+              setDialogError(undefined)
+            }
+          }}
+          onSubmit={submitDialog}
+        />
+      )}
+      {importOpen && (
+        <GoldenQuestionImportDialog
+          knowledgeSpaceId={knowledgeSpaceId}
+          open
+          onImported={invalidate}
+          onOpenChange={setImportOpen}
+        />
+      )}
+      <AlertDialog
+        open={Boolean(deleteIds)}
+        onOpenChange={(open) => {
+          if (!open && !deleteSubmitting) setDeleteIds(undefined)
+        }}
+      >
+        <AlertDialogContent>
+          <div className="flex flex-col gap-2 px-6 pt-6 pb-4">
+            <AlertDialogTitle className="title-2xl-semi-bold text-text-primary">
+              {tCommon(($) => $['operation.deleteConfirmTitle'])}
+            </AlertDialogTitle>
+            <AlertDialogDescription className="system-sm-regular text-text-tertiary">
+              {tCommon(($) => $['operation.confirmAction'])}
+            </AlertDialogDescription>
+          </div>
+          <AlertDialogActions>
+            <AlertDialogCancelButton variant="secondary" disabled={deleteSubmitting}>
+              {tCommon(($) => $['operation.cancel'])}
+            </AlertDialogCancelButton>
+            <AlertDialogConfirmButton
+              tone="destructive"
+              loading={deleteSubmitting}
+              disabled={deleteSubmitting}
+              onClick={() => {
+                if (deleteIds) void deleteGolden(deleteIds)
+              }}
+            >
+              {tCommon(($) => $['operation.delete'])}
+            </AlertDialogConfirmButton>
+          </AlertDialogActions>
+        </AlertDialogContent>
+      </AlertDialog>
+    </>
+  )
+}
diff --git a/web/features/new-rag/quality/quality-model.ts b/web/features/new-rag/quality/quality-model.ts
new file mode 100644
index 00000000000..3379ce37230
--- /dev/null
+++ b/web/features/new-rag/quality/quality-model.ts
@@ -0,0 +1,38 @@
+import type { GoldenQuestionDraft } from './types'
+
+const goldenLinkPrefix = 'golden-question:'
+
+export const qualityPageSize = 50
+
+export const emptyGoldenQuestionDraft: GoldenQuestionDraft = {
+  annotation: '',
+  expectedEvidenceIds: [],
+  matchPolicy: 'all',
+  question: '',
+  tags: [],
+}
+
+export function goldenQuestionPayload(draft: GoldenQuestionDraft) {
+  return {
+    annotation: draft.annotation,
+    expected_evidence_ids: draft.expectedEvidenceIds,
+    match_policy: draft.matchPolicy,
+    question: draft.question,
+    tags: draft.tags,
+  }
+}
+
+export function visibleQualityTags(tags: string[]) {
+  return tags.filter((tag) => !tag.startsWith(goldenLinkPrefix))
+}
+
+export function formatQualityUpdatedAt(value: string) {
+  const time = new Date(value)
+  const elapsedHours = Math.max(0, (Date.now() - time.getTime()) / 3_600_000)
+  const relativeTime = new Intl.RelativeTimeFormat(undefined, { numeric: 'auto' })
+  if (elapsedHours < 1) return relativeTime.format(0, 'minute')
+  if (elapsedHours < 24) return relativeTime.format(-Math.floor(elapsedHours), 'hour')
+  const elapsedDays = Math.floor(elapsedHours / 24)
+  if (elapsedDays < 7) return relativeTime.format(-elapsedDays, 'day')
+  return new Intl.DateTimeFormat(undefined, { day: 'numeric', month: 'short' }).format(time)
+}
diff --git a/web/features/new-rag/quality/quality-page.tsx b/web/features/new-rag/quality/quality-page.tsx
index 940be250ba9..7f661082210 100644
--- a/web/features/new-rag/quality/quality-page.tsx
+++ b/web/features/new-rag/quality/quality-page.tsx
@@ -1,479 +1,35 @@
 'use client'
 
-import type { KnowledgeFsBadCaseResponse } from '@dify/contracts/api/console/knowledge-fs/types.gen'
-import type { ReactNode } from 'react'
-import type { GoldenQuestionDraft } from './types'
-import {
-  AlertDialog,
-  AlertDialogActions,
-  AlertDialogCancelButton,
-  AlertDialogConfirmButton,
-  AlertDialogContent,
-  AlertDialogDescription,
-  AlertDialogTitle,
-} from '@langgenius/dify-ui/alert-dialog'
-import { Button } from '@langgenius/dify-ui/button'
-import { Checkbox } from '@langgenius/dify-ui/checkbox'
 import { cn } from '@langgenius/dify-ui/cn'
-import {
-  DropdownMenu,
-  DropdownMenuContent,
-  DropdownMenuItem,
-  DropdownMenuSeparator,
-  DropdownMenuTrigger,
-} from '@langgenius/dify-ui/dropdown-menu'
-import { Popover, PopoverContent, PopoverTrigger } from '@langgenius/dify-ui/popover'
 import { Tabs, TabsPanel } from '@langgenius/dify-ui/tabs'
-import { toast } from '@langgenius/dify-ui/toast'
-import { useInfiniteQuery, useMutation, useQueryClient } from '@tanstack/react-query'
-import { useRef, useState } from 'react'
+import { parseAsStringLiteral, useQueryState } from 'nuqs'
+import { useState } from 'react'
 import { useTranslation } from 'react-i18next'
-import Badge from '@/app/components/base/badge'
-import Loading from '@/app/components/base/loading'
-import { useRouter, useSearchParams } from '@/next/navigation'
-import { consoleClient, consoleQuery } from '@/service/client'
 import { useKnowledgeSpacePermission } from '../knowledge-space-context'
-import { newKnowledgeQualityPath, newKnowledgeRetrievalTestPath } from '../routes'
-import { GoldenQuestionDialog } from './golden-question-dialog'
-import { GoldenQuestionImportDialog } from './golden-question-import-dialog'
+import { BadCasesPanel } from './bad-cases-panel'
+import { GoldenQuestionsPanel } from './golden-questions-panel'
 import { QualityEvaluationPanel } from './quality-evaluation-panel'
 import { QualityTabList } from './quality-tab-list'
 
-const emptyDraft: GoldenQuestionDraft = {
-  annotation: '',
-  expectedEvidenceIds: [],
-  matchPolicy: 'all',
-  question: '',
-  tags: [],
-}
-const goldenLinkPrefix = 'golden-question:'
-const pageSize = 50
+type QualityTab = 'bad' | 'evaluation' | 'golden'
 
-function visibleTags(tags: string[]) {
-  return tags.filter((tag) => !tag.startsWith(goldenLinkPrefix))
-}
-
-function Reason({ question, reason, tags }: { question?: string; reason: string; tags: string[] }) {
-  const { t } = useTranslation('dataset')
-  const normalized = reason.toLowerCase()
-  if (normalized === 'low-score' || (normalized.includes('low') && normalized.includes('score')))
-    return t(($) => $['newKnowledge.qualityPage.reasonValues.lowScore'])
-  if (normalized.includes('outdated'))
-    return t(($) => $['newKnowledge.qualityPage.reasonValues.outdatedContent'])
-  if (
-    (tags.includes('retrieval-test') && reason.trim() === question?.trim()) ||
-    normalized.includes('retrieval') ||
-    normalized.includes('miss')
-  )
-    return t(($) => $['newKnowledge.qualityPage.reasonValues.retrievalMiss'])
-  if (normalized.includes('coverage') || normalized.includes('evidence'))
-    return t(($) => $['newKnowledge.qualityPage.reasonValues.coverageGap'])
-  return reason
-}
-
-function RowMenuTrigger({ disabled, label }: { disabled?: boolean; label: string }) {
-  return (
-    <DropdownMenuTrigger
-      aria-label={label}
-      disabled={disabled}
-      className="ml-auto flex size-7 items-center justify-center rounded-md text-text-tertiary outline-hidden hover:bg-state-base-hover focus-visible:ring-2 focus-visible:ring-state-accent-solid disabled:cursor-not-allowed disabled:text-text-disabled"
-    >
-      <span aria-hidden className="i-ri-more-fill size-4.5" />
-    </DropdownMenuTrigger>
-  )
-}
-
-function Status({ status }: { status: KnowledgeFsBadCaseResponse['status'] }) {
-  const { t } = useTranslation('dataset')
-  const visibleStatus = status === 'dismissed' ? 'fixed' : status
-  return (
-    <div className="flex h-5 items-center gap-1.5 system-xs-medium text-text-primary">
-      <span
-        aria-hidden
-        className={cn(
-          'size-1.5 rounded-sm border shadow-xs',
-          visibleStatus === 'open' &&
-            'border-util-colors-warning-warning-600 bg-util-colors-warning-warning-400 shadow-util-colors-warning-warning-200',
-          visibleStatus === 'replaying' &&
-            'border-util-colors-blue-light-blue-light-600 bg-util-colors-blue-light-blue-light-400 shadow-util-colors-blue-light-blue-light-200',
-          visibleStatus === 'fixed' &&
-            'border-util-colors-green-green-600 bg-util-colors-green-green-400 shadow-util-colors-green-green-200',
-        )}
-      />
-      {t(($) => $[`newKnowledge.qualityPage.status.${visibleStatus}`])}
-    </div>
-  )
-}
-
-function GoldenStatus({ status }: { status: 'active' | 'draft' | 'stale' }) {
-  const { t } = useTranslation('dataset')
-  return (
-    <span
-      className={cn(
-        'inline-flex w-fit items-center rounded-md px-1.5 py-0.5 system-2xs-medium-uppercase',
-        status === 'active' && 'bg-state-success-hover text-text-success',
-        status === 'draft' && 'bg-state-warning-hover text-text-warning',
-        status === 'stale' && 'bg-state-destructive-hover text-text-destructive',
-      )}
-    >
-      {t(($) => $[`newKnowledge.qualityPage.goldenStatus.${status}`])}
-    </span>
-  )
-}
-
-function GoldenAnnotation({ annotation }: { annotation: string }) {
-  if (!annotation.trim()) return <span className="system-xs-regular text-text-tertiary">—</span>
-
-  return (
-    <Popover>
-      <PopoverTrigger
-        openOnHover
-        delay={300}
-        closeDelay={200}
-        render={
-          <button
-            type="button"
-            className="block w-fit max-w-full min-w-0 truncate text-left system-xs-regular text-text-secondary outline-hidden focus-visible:ring-2 focus-visible:ring-state-accent-solid"
-          >
-            {annotation}
-          </button>
-        }
-      />
-      <PopoverContent placement="top" className="max-w-67 px-3 py-2">
-        <p className="system-xs-regular wrap-break-word text-text-tertiary">{annotation}</p>
-      </PopoverContent>
-    </Popover>
-  )
-}
-
-function QualityQueryState({
-  children,
-  error,
-  loading,
-  onRetry,
-}: {
-  children: ReactNode
-  error: boolean
-  loading: boolean
-  onRetry: () => void
-}) {
-  const { t } = useTranslation('dataset')
-
-  if (loading)
-    return (
-      <div className="flex min-h-105 items-center justify-center">
-        <Loading />
-      </div>
-    )
-
-  if (error)
-    return (
-      <div className="flex min-h-105 flex-col items-center justify-center gap-3 text-center">
-        <span aria-hidden className="i-ri-error-warning-line size-8 text-text-warning" />
-        <p role="alert" className="system-sm-medium text-text-primary">
-          {t(($) => $.unknownError)}
-        </p>
-        <Button onClick={onRetry}>{t(($) => $.retry)}</Button>
-      </div>
-    )
-
-  return children
-}
-
-function goldenQuestionPayload(draft: GoldenQuestionDraft) {
-  return {
-    annotation: draft.annotation,
-    expected_evidence_ids: draft.expectedEvidenceIds,
-    match_policy: draft.matchPolicy,
-    question: draft.question,
-    tags: draft.tags,
-  }
-}
+const qualityTabParser = parseAsStringLiteral(['bad-cases', 'evaluations'] as const).withOptions({
+  history: 'replace',
+})
 
 export function QualityPage({ knowledgeSpaceId }: { knowledgeSpaceId: string }) {
   const { t } = useTranslation('dataset')
-  const { t: tCommon } = useTranslation('common')
-  const router = useRouter()
-  const searchParams = useSearchParams()
-  const queryClient = useQueryClient()
   const canEdit = useKnowledgeSpacePermission('knowledge_space_edit')
-  const requestedTab = searchParams.get('tab')
-  const activeTab =
-    requestedTab === 'bad-cases' ? 'bad' : requestedTab === 'evaluations' ? 'evaluation' : 'golden'
-  const [selected, setSelected] = useState<Set<string>>(() => new Set())
-  const [deleteIds, setDeleteIds] = useState<Set<string>>()
-  const [deleteSubmitting, setDeleteSubmitting] = useState(false)
-  const [dialogError, setDialogError] = useState<string>()
-  const [dialogSubmitting, setDialogSubmitting] = useState(false)
-  const [evaluationActionSlot, setEvaluationActionSlot] = useState<HTMLDivElement | null>(null)
+  const [queryTab, setQueryTab] = useQueryState('tab', qualityTabParser)
+  const activeTab: QualityTab =
+    queryTab === 'bad-cases' ? 'bad' : queryTab === 'evaluations' ? 'evaluation' : 'golden'
+  const [actionSlot, setActionSlot] = useState<HTMLDivElement | null>(null)
   const [selectedEvaluationRunId, setSelectedEvaluationRunId] = useState<string>()
-  const [importOpen, setImportOpen] = useState(false)
-  const [pendingBadCaseId, setPendingBadCaseId] = useState<string>()
-  const promotedGoldenQuestionIdsRef = useRef(new Map<string, string>())
-  const [dialog, setDialog] = useState<
-    | { key: string; mode: 'create'; value: GoldenQuestionDraft }
-    | { id: string; key: string; mode: 'edit'; value: GoldenQuestionDraft }
-    | { id: string; key: string; mode: 'promote'; value: GoldenQuestionDraft }
-  >()
-  const goldenQueryOptions =
-    consoleQuery.knowledgeFs.spaces.byControlSpaceId.goldenQuestions.get.infiniteOptions({
-      input: (pageParam) => ({
-        params: { control_space_id: knowledgeSpaceId },
-        query: {
-          limit: pageSize,
-          ...(typeof pageParam === 'string' ? { cursor: pageParam } : {}),
-        },
-      }),
-      getNextPageParam: (lastPage) => lastPage.next_cursor ?? undefined,
-      initialPageParam: null as string | null,
-    })
-  const badCaseQueryOptions =
-    consoleQuery.knowledgeFs.spaces.byControlSpaceId.quality.badCases.get.infiniteOptions({
-      input: (pageParam) => ({
-        params: { control_space_id: knowledgeSpaceId },
-        query: {
-          limit: pageSize,
-          ...(typeof pageParam === 'string' ? { cursor: pageParam } : {}),
-        },
-      }),
-      getNextPageParam: (lastPage) => lastPage.next_cursor ?? undefined,
-      initialPageParam: null as string | null,
-    })
-  const goldenQuery = useInfiniteQuery({
-    ...goldenQueryOptions,
-    enabled: activeTab === 'golden',
-  })
-  const badCaseQuery = useInfiniteQuery({
-    ...badCaseQueryOptions,
-    enabled: activeTab === 'bad',
-  })
-  const createGoldenMutation = useMutation(
-    consoleQuery.knowledgeFs.spaces.byControlSpaceId.goldenQuestions.post.mutationOptions(),
-  )
-  const updateGoldenMutation = useMutation(
-    consoleQuery.knowledgeFs.spaces.byControlSpaceId.goldenQuestions.byQuestionId.patch.mutationOptions(),
-  )
-  const deleteGoldenMutation = useMutation(
-    consoleQuery.knowledgeFs.spaces.byControlSpaceId.goldenQuestions.byQuestionId.delete.mutationOptions(),
-  )
-  const goldenQuestions = goldenQuery.data?.pages.flatMap((page) => page.data) ?? []
-  const badCases = (badCaseQuery.data?.pages.flatMap((page) => page.data) ?? []).filter(
-    (item) => item.status !== 'dismissed',
-  )
-  const allSelected = goldenQuestions.length > 0 && selected.size === goldenQuestions.length
-  const partiallySelected = selected.size > 0 && !allSelected
-  const setTab = (tab: 'bad' | 'evaluation' | 'golden') => {
-    if (tab !== 'golden') setSelected(new Set())
+
+  const setTab = (tab: QualityTab) => {
     if (tab !== 'evaluation') setSelectedEvaluationRunId(undefined)
-    router.replace(
-      tab === 'bad'
-        ? `${newKnowledgeQualityPath(knowledgeSpaceId)}?tab=bad-cases`
-        : tab === 'evaluation'
-          ? `${newKnowledgeQualityPath(knowledgeSpaceId)}?tab=evaluations`
-          : newKnowledgeQualityPath(knowledgeSpaceId),
-    )
+    void setQueryTab(tab === 'bad' ? 'bad-cases' : tab === 'evaluation' ? 'evaluations' : null)
   }
-  const updated = (value: string) => {
-    const time = new Date(value)
-    const elapsedHours = Math.max(0, (Date.now() - time.getTime()) / 3_600_000)
-    const relativeTime = new Intl.RelativeTimeFormat(undefined, { numeric: 'auto' })
-    if (elapsedHours < 1) return relativeTime.format(0, 'minute')
-    if (elapsedHours < 24) return relativeTime.format(-Math.floor(elapsedHours), 'hour')
-    const elapsedDays = Math.floor(elapsedHours / 24)
-    if (elapsedDays < 7) return relativeTime.format(-elapsedDays, 'day')
-    return new Intl.DateTimeFormat(undefined, { day: 'numeric', month: 'short' }).format(time)
-  }
-
-  const invalidateQuality = async () => {
-    await Promise.all([
-      queryClient.invalidateQueries({ queryKey: goldenQueryOptions.queryKey }),
-      queryClient.invalidateQueries({ queryKey: badCaseQueryOptions.queryKey }),
-    ])
-  }
-
-  const getBadCase = (badCaseId: string) =>
-    consoleClient.knowledgeFs.spaces.byControlSpaceId.quality.badCases.byBadCaseId.get({
-      params: { bad_case_id: badCaseId, control_space_id: knowledgeSpaceId },
-    })
-
-  const markBadCaseDismissed = async (
-    badCase: KnowledgeFsBadCaseResponse,
-    tags: string[] = badCase.tags,
-  ) => {
-    try {
-      await consoleClient.knowledgeFs.spaces.byControlSpaceId.quality.badCases.byBadCaseId.patch({
-        body: {
-          expected_revision: badCase.revision,
-          status: 'dismissed',
-          tags,
-        },
-        params: { bad_case_id: badCase.id, control_space_id: knowledgeSpaceId },
-      })
-    } catch (error) {
-      const refreshed = await getBadCase(badCase.id).catch(() => undefined)
-      if (refreshed?.status !== 'dismissed') throw error
-    }
-  }
-
-  const submitDialog = async (draft: GoldenQuestionDraft) => {
-    if (!dialog) return
-    setDialogError(undefined)
-    setDialogSubmitting(true)
-    try {
-      if (dialog.mode === 'edit') {
-        await updateGoldenMutation.mutateAsync({
-          body: goldenQuestionPayload(draft),
-          params: { control_space_id: knowledgeSpaceId, question_id: dialog.id },
-        })
-        toast.success(t(($) => $['newKnowledge.qualityPage.updatedToast']))
-      } else if (dialog.mode === 'create') {
-        await createGoldenMutation.mutateAsync({
-          body: goldenQuestionPayload(draft),
-          params: { control_space_id: knowledgeSpaceId },
-        })
-        toast.success(t(($) => $['newKnowledge.qualityPage.createdToast']))
-      } else {
-        const badCase = await getBadCase(dialog.id)
-        let goldenQuestionId = promotedGoldenQuestionIdsRef.current.get(badCase.id)
-        if (!goldenQuestionId) {
-          const createdGoldenQuestion = await createGoldenMutation.mutateAsync({
-            body: {
-              ...goldenQuestionPayload(draft),
-              source_bad_case_id: badCase.id,
-            },
-            params: { control_space_id: knowledgeSpaceId },
-          })
-          goldenQuestionId = createdGoldenQuestion.id
-          promotedGoldenQuestionIdsRef.current.set(badCase.id, goldenQuestionId)
-        }
-        try {
-          await markBadCaseDismissed(badCase, visibleTags(badCase.tags))
-          promotedGoldenQuestionIdsRef.current.delete(badCase.id)
-        } catch (error) {
-          try {
-            await deleteGoldenMutation.mutateAsync({
-              params: { control_space_id: knowledgeSpaceId, question_id: goldenQuestionId },
-            })
-            promotedGoldenQuestionIdsRef.current.delete(badCase.id)
-          } catch {
-            // Keep the created ID so a retry resumes dismissal instead of creating a duplicate.
-          }
-          throw error
-        }
-        toast.success(t(($) => $['newKnowledge.qualityPage.promotedToast']))
-      }
-      await invalidateQuality()
-      setDialog(undefined)
-    } catch {
-      setDialogError(t(($) => $.unknownError))
-    } finally {
-      setDialogSubmitting(false)
-    }
-  }
-
-  const deleteGolden = async (ids: Set<string>): Promise<boolean> => {
-    setDeleteSubmitting(true)
-    try {
-      const results = await Promise.allSettled(
-        [...ids].map((questionId) =>
-          deleteGoldenMutation
-            .mutateAsync({
-              params: { control_space_id: knowledgeSpaceId, question_id: questionId },
-            })
-            .then(() => questionId),
-        ),
-      )
-      const deletedIds = new Set(
-        results.flatMap((result) => (result.status === 'fulfilled' ? [result.value] : [])),
-      )
-      const failedIds = new Set([...ids].filter((id) => !deletedIds.has(id)))
-      setSelected((current) => new Set([...current].filter((id) => !deletedIds.has(id))))
-      await queryClient
-        .invalidateQueries({ queryKey: goldenQueryOptions.queryKey })
-        .catch(() => undefined)
-      if (failedIds.size > 0) {
-        setDeleteIds(failedIds)
-        toast.error(t(($) => $.unknownError))
-        return false
-      }
-      toast.success(
-        t(
-          ($) =>
-            $[
-              ids.size === 1
-                ? 'newKnowledge.qualityPage.deletedToast_one'
-                : 'newKnowledge.qualityPage.deletedToast_other'
-            ],
-          { count: ids.size },
-        ),
-      )
-      setDeleteIds(undefined)
-      return true
-    } catch {
-      toast.error(t(($) => $.unknownError))
-      return false
-    } finally {
-      setDeleteSubmitting(false)
-    }
-  }
-
-  const replayBadCase = async (item: KnowledgeFsBadCaseResponse) => {
-    setPendingBadCaseId(item.id)
-    try {
-      const reference =
-        await consoleClient.knowledgeFs.spaces.byControlSpaceId.quality.badCases.byBadCaseId.traceReference.get(
-          {
-            params: { bad_case_id: item.id, control_space_id: knowledgeSpaceId },
-          },
-        )
-      const search = new URLSearchParams({
-        retest: reference.trace_id,
-        trace: reference.trace_id,
-      })
-      router.push(`${newKnowledgeRetrievalTestPath(knowledgeSpaceId)}?${search.toString()}`)
-    } catch {
-      toast.error(t(($) => $.unknownError))
-    } finally {
-      setPendingBadCaseId(undefined)
-    }
-  }
-
-  const ignoreBadCase = async (item: KnowledgeFsBadCaseResponse) => {
-    setPendingBadCaseId(item.id)
-    try {
-      const badCase = await getBadCase(item.id)
-      await markBadCaseDismissed(badCase)
-      await queryClient.invalidateQueries({ queryKey: badCaseQueryOptions.queryKey })
-    } catch {
-      toast.error(t(($) => $.unknownError))
-    } finally {
-      setPendingBadCaseId(undefined)
-    }
-  }
-
-  const openTrace = async (badCaseId: string) => {
-    try {
-      const reference =
-        await consoleClient.knowledgeFs.spaces.byControlSpaceId.quality.badCases.byBadCaseId.traceReference.get(
-          {
-            params: { bad_case_id: badCaseId, control_space_id: knowledgeSpaceId },
-          },
-        )
-      router.push(`${newKnowledgeRetrievalTestPath(knowledgeSpaceId)}?trace=${reference.trace_id}`)
-    } catch {
-      toast.error(t(($) => $.unknownError))
-    }
-  }
-
-  const toggleAll = () =>
-    setSelected(allSelected ? new Set() : new Set(goldenQuestions.map((item) => item.id)))
-  const toggleOne = (id: string) =>
-    setSelected((current) => {
-      const next = new Set(current)
-      if (next.has(id)) next.delete(id)
-      else next.add(id)
-      return next
-    })
 
   return (
     <main
@@ -492,451 +48,43 @@ export function QualityPage({ knowledgeSpaceId }: { knowledgeSpaceId: string })
           </p>
         </header>
       )}
-      <Tabs value={activeTab} onValueChange={(value) => setTab(value as typeof activeTab)}>
+
+      <Tabs value={activeTab} onValueChange={(value) => setTab(value as QualityTab)}>
         {!selectedEvaluationRunId && (
           <div className="mt-2.5 flex h-14 items-end justify-between">
             <QualityTabList />
-            <div
-              ref={activeTab === 'evaluation' ? setEvaluationActionSlot : undefined}
-              className="flex gap-2"
-            >
-              {canEdit && activeTab === 'golden' && goldenQuestions.length > 0 && (
-                <>
-                  <Button onClick={() => setImportOpen(true)}>
-                    <span aria-hidden className="i-ri-download-line size-4" />
-                    {t(($) => $['newKnowledge.qualityPage.importCsv'])}
-                  </Button>
-                  <Button
-                    variant="primary"
-                    onClick={() =>
-                      setDialog({ key: `create-${Date.now()}`, mode: 'create', value: emptyDraft })
-                    }
-                  >
-                    <span aria-hidden className="i-ri-add-line size-4" />
-                    {t(($) => $['newKnowledge.qualityPage.addGolden'])}
-                  </Button>
-                </>
-              )}
-            </div>
+            <div ref={setActionSlot} className="flex gap-2" />
           </div>
         )}
 
         <TabsPanel value="golden" tabIndex={-1}>
-          <QualityQueryState
-            error={goldenQuery.isError}
-            loading={goldenQuery.isLoading}
-            onRetry={() => void goldenQuery.refetch()}
-          >
-            {goldenQuestions.length ? (
-              <div className="mt-3 w-full overflow-x-auto">
-                <div className="grid h-8 min-w-195 grid-cols-[16px_minmax(180px,2fr)_90px_minmax(120px,1fr)_minmax(160px,1.5fr)_minmax(100px,0.75fr)_32px] items-center gap-3 text-[11px] leading-4 font-medium text-text-tertiary">
-                  <Checkbox
-                    aria-label={t(($) => $['newKnowledge.qualityPage.selectAll'])}
-                    checked={allSelected}
-                    disabled={!canEdit}
-                    indeterminate={partiallySelected}
-                    onCheckedChange={toggleAll}
-                  />
-                  <span>{t(($) => $['newKnowledge.qualityPage.question'])}</span>
-                  <span>{t(($) => $['newKnowledge.qualityPage.statusLabel'])}</span>
-                  <span>{t(($) => $['newKnowledge.qualityPage.tags'])}</span>
-                  <span>{t(($) => $['newKnowledge.qualityPage.annotation'])}</span>
-                  <span>{t(($) => $['newKnowledge.qualityPage.updated'])}</span>
-                  <span />
-                </div>
-                {goldenQuestions.map((item) => (
-                  <div
-                    key={item.id}
-                    className="grid h-12 min-w-195 grid-cols-[16px_minmax(180px,2fr)_90px_minmax(120px,1fr)_minmax(160px,1.5fr)_minmax(100px,0.75fr)_32px] items-center gap-3 border-t border-divider-subtle"
-                  >
-                    <Checkbox
-                      aria-label={t(($) => $['newKnowledge.qualityPage.selectQuestion'], {
-                        question: item.question,
-                      })}
-                      checked={selected.has(item.id)}
-                      disabled={!canEdit}
-                      onCheckedChange={() => toggleOne(item.id)}
-                    />
-                    <span className="truncate system-sm-medium text-text-primary">
-                      {item.question ?? ''}
-                    </span>
-                    <GoldenStatus
-                      status={
-                        item.status ??
-                        ((item.expected_evidence_ids?.length ?? 0) > 0 ? 'active' : 'draft')
-                      }
-                    />
-                    <div className="flex min-w-0 gap-1 overflow-hidden">
-                      {visibleTags(item.tags).map((tag) => (
-                        <Badge key={tag} size="xs" variant="dimm" className="max-w-full min-w-0">
-                          <span className="min-w-0 truncate system-2xs-medium normal-case">
-                            {tag}
-                          </span>
-                        </Badge>
-                      ))}
-                    </div>
-                    <GoldenAnnotation annotation={item.annotation} />
-                    <span className="system-xs-regular text-text-secondary">
-                      {updated(item.updated_at)}
-                    </span>
-                    {canEdit ? (
-                      <DropdownMenu modal={false}>
-                        <RowMenuTrigger
-                          label={t(($) => $['newKnowledge.qualityPage.questionActions'], {
-                            question: item.question,
-                          })}
-                        />
-                        <DropdownMenuContent
-                          placement="bottom-end"
-                          sideOffset={4}
-                          className="w-[200px]"
-                        >
-                          <DropdownMenuItem
-                            className="gap-2 px-3"
-                            onClick={() =>
-                              setDialog({
-                                id: item.id,
-                                key: `edit-${item.id}-${Date.now()}`,
-                                mode: 'edit',
-                                value: {
-                                  annotation: item.annotation,
-                                  expectedEvidenceIds: item.expected_evidence_ids ?? [],
-                                  matchPolicy: item.match_policy ?? 'all',
-                                  question: item.question,
-                                  tags: item.tags,
-                                },
-                              })
-                            }
-                          >
-                            <span aria-hidden className="i-ri-edit-line size-4" />
-                            {t(($) => $['newKnowledge.qualityPage.edit'])}
-                          </DropdownMenuItem>
-                          <DropdownMenuSeparator />
-                          <DropdownMenuItem
-                            variant="destructive"
-                            className="gap-2 px-3"
-                            onClick={() => setDeleteIds(new Set([item.id]))}
-                          >
-                            <span aria-hidden className="i-ri-delete-bin-line size-4" />
-                            {t(($) => $['newKnowledge.qualityPage.delete'])}
-                          </DropdownMenuItem>
-                        </DropdownMenuContent>
-                      </DropdownMenu>
-                    ) : (
-                      <span />
-                    )}
-                  </div>
-                ))}
-                {goldenQuery.hasNextPage && (
-                  <div className="flex min-w-195 justify-center border-t border-divider-subtle py-4">
-                    <Button
-                      loading={goldenQuery.isFetchingNextPage}
-                      disabled={goldenQuery.isFetchingNextPage}
-                      onClick={() => void goldenQuery.fetchNextPage()}
-                    >
-                      {t(($) => $['newKnowledge.loadMore'])}
-                    </Button>
-                  </div>
-                )}
-              </div>
-            ) : (
-              <div className="mt-2.5 flex h-140 flex-col items-center justify-center text-center">
-                <span aria-hidden className="i-ri-thumb-up-line size-7 text-text-tertiary" />
-                <h2 className="mt-3 system-md-semibold text-text-primary">
-                  {t(($) => $['newKnowledge.qualityPage.goldenEmptyTitle'])}
-                </h2>
-                <p className="mt-1 max-w-lg system-xs-regular text-text-tertiary">
-                  {t(($) => $['newKnowledge.qualityPage.goldenEmptyDescription'])}
-                </p>
-                {canEdit && (
-                  <div className="mt-4 flex gap-2">
-                    <Button className="gap-1" onClick={() => setImportOpen(true)}>
-                      <span aria-hidden className="i-ri-download-line size-4" />
-                      {t(($) => $['newKnowledge.qualityPage.importCsv'])}
-                    </Button>
-                    <Button
-                      variant="primary"
-                      className="gap-1"
-                      onClick={() =>
-                        setDialog({
-                          key: `create-${Date.now()}`,
-                          mode: 'create',
-                          value: emptyDraft,
-                        })
-                      }
-                    >
-                      <span aria-hidden className="i-ri-add-line size-4" />
-                      {t(($) => $['newKnowledge.qualityPage.addGolden'])}
-                    </Button>
-                  </div>
-                )}
-              </div>
-            )}
-          </QualityQueryState>
+          {activeTab === 'golden' && (
+            <GoldenQuestionsPanel
+              actionSlot={actionSlot}
+              canEdit={canEdit}
+              knowledgeSpaceId={knowledgeSpaceId}
+            />
+          )}
         </TabsPanel>
 
         <TabsPanel value="bad" tabIndex={-1}>
-          <QualityQueryState
-            error={badCaseQuery.isError}
-            loading={badCaseQuery.isLoading}
-            onRetry={() => void badCaseQuery.refetch()}
-          >
-            {badCases.length ? (
-              <div className="mt-3 w-full overflow-x-auto">
-                <div className="grid h-8 min-w-202 grid-cols-[minmax(240px,624px)_140px_180px_120px_80px] items-center gap-3 text-[11px] leading-4 font-medium text-text-tertiary">
-                  <span>{t(($) => $['newKnowledge.qualityPage.question'])}</span>
-                  <span>{t(($) => $['newKnowledge.qualityPage.statusLabel'])}</span>
-                  <span>{t(($) => $['newKnowledge.qualityPage.reason'])}</span>
-                  <span>{t(($) => $['newKnowledge.qualityPage.updated'])}</span>
-                  <span />
-                </div>
-                {badCases.map((item) => (
-                  <div
-                    key={item.id}
-                    className="grid h-12 min-w-202 grid-cols-[minmax(240px,624px)_140px_180px_120px_80px] items-center gap-3 border-t border-divider-subtle"
-                  >
-                    <span className="truncate system-sm-medium text-text-primary">
-                      {item.question}
-                    </span>
-                    <Status status={item.status} />
-                    <span className="system-xs-regular text-text-secondary">
-                      <Reason question={item.question} reason={item.reason} tags={item.tags} />
-                    </span>
-                    <span className="system-xs-regular text-text-secondary">
-                      {updated(item.updated_at)}
-                    </span>
-                    <DropdownMenu modal={false}>
-                      <RowMenuTrigger
-                        disabled={pendingBadCaseId === item.id}
-                        label={t(($) => $['newKnowledge.qualityPage.questionActions'], {
-                          question: item.question ?? '',
-                        })}
-                      />
-                      <DropdownMenuContent
-                        placement="bottom-end"
-                        sideOffset={4}
-                        className="w-[200px]"
-                      >
-                        {canEdit &&
-                          (item.status === 'fixed' ? (
-                            <DropdownMenuItem
-                              className="gap-2 px-3"
-                              onClick={() =>
-                                setDialog({
-                                  id: item.id,
-                                  key: `promote-${item.id}-${Date.now()}`,
-                                  mode: 'promote',
-                                  value: {
-                                    annotation: '',
-                                    expectedEvidenceIds: [],
-                                    matchPolicy: 'all',
-                                    question: item.question ?? '',
-                                    tags: visibleTags(item.tags),
-                                  },
-                                })
-                              }
-                            >
-                              <span aria-hidden className="i-ri-star-line size-4" />
-                              {t(($) => $['newKnowledge.qualityPage.toGolden'])}
-                            </DropdownMenuItem>
-                          ) : (
-                            <DropdownMenuItem
-                              className="gap-2 px-3"
-                              disabled={item.status === 'replaying' || pendingBadCaseId === item.id}
-                              onClick={() => void replayBadCase(item)}
-                            >
-                              <span aria-hidden className="i-ri-restart-line size-4" />
-                              {t(($) => $['newKnowledge.qualityPage.replay'])}
-                            </DropdownMenuItem>
-                          ))}
-                        <DropdownMenuItem
-                          className="gap-2 px-3"
-                          disabled={pendingBadCaseId === item.id}
-                          onClick={() => void openTrace(item.id)}
-                        >
-                          <span aria-hidden className="i-ri-arrow-right-up-line size-4" />
-                          {t(($) => $['newKnowledge.qualityPage.openTrace'])}
-                        </DropdownMenuItem>
-                        {canEdit && item.status !== 'fixed' && (
-                          <DropdownMenuItem
-                            className="gap-2 px-3"
-                            disabled={pendingBadCaseId === item.id}
-                            onClick={() =>
-                              setDialog({
-                                id: item.id,
-                                key: `promote-${item.id}-${Date.now()}`,
-                                mode: 'promote',
-                                value: {
-                                  annotation: '',
-                                  expectedEvidenceIds: [],
-                                  matchPolicy: 'all',
-                                  question: item.question ?? '',
-                                  tags: visibleTags(item.tags),
-                                },
-                              })
-                            }
-                          >
-                            <span aria-hidden className="i-ri-star-line size-4" />
-                            {t(($) => $['newKnowledge.qualityPage.toGolden'])}
-                          </DropdownMenuItem>
-                        )}
-                        {canEdit && <DropdownMenuSeparator />}
-                        {canEdit && (
-                          <DropdownMenuItem
-                            className="gap-2 px-3"
-                            disabled={pendingBadCaseId === item.id}
-                            onClick={() => void ignoreBadCase(item)}
-                          >
-                            <span aria-hidden className="i-ri-eye-off-line size-4" />
-                            {t(($) => $['newKnowledge.qualityPage.ignore'])}
-                          </DropdownMenuItem>
-                        )}
-                      </DropdownMenuContent>
-                    </DropdownMenu>
-                  </div>
-                ))}
-                {badCaseQuery.hasNextPage && (
-                  <div className="flex min-w-202 justify-center border-t border-divider-subtle py-4">
-                    <Button
-                      loading={badCaseQuery.isFetchingNextPage}
-                      disabled={badCaseQuery.isFetchingNextPage}
-                      onClick={() => void badCaseQuery.fetchNextPage()}
-                    >
-                      {t(($) => $['newKnowledge.loadMore'])}
-                    </Button>
-                  </div>
-                )}
-              </div>
-            ) : (
-              <div className="mt-2.5 flex h-140 flex-col items-center justify-center text-center">
-                <span aria-hidden className="i-ri-check-line size-7 text-text-tertiary" />
-                <h2 className="mt-3 system-md-semibold text-text-primary">
-                  {t(($) => $['newKnowledge.qualityPage.badCasesEmptyTitle'])}
-                </h2>
-                <p className="mt-1 max-w-136 system-xs-regular text-text-tertiary">
-                  {t(($) => $['newKnowledge.qualityPage.badCasesEmptyDescription'])}
-                </p>
-                {badCaseQuery.hasNextPage && (
-                  <Button
-                    className="mt-4"
-                    loading={badCaseQuery.isFetchingNextPage}
-                    disabled={badCaseQuery.isFetchingNextPage}
-                    onClick={() => void badCaseQuery.fetchNextPage()}
-                  >
-                    {t(($) => $['newKnowledge.loadMore'])}
-                  </Button>
-                )}
-              </div>
-            )}
-          </QualityQueryState>
+          {activeTab === 'bad' && (
+            <BadCasesPanel canEdit={canEdit} knowledgeSpaceId={knowledgeSpaceId} />
+          )}
         </TabsPanel>
 
         <TabsPanel value="evaluation" tabIndex={-1}>
-          <QualityEvaluationPanel
-            actionSlot={evaluationActionSlot}
-            canEdit={canEdit}
-            knowledgeSpaceId={knowledgeSpaceId}
-            selectedRunId={selectedEvaluationRunId}
-            onSelectedRunIdChange={setSelectedEvaluationRunId}
-          />
+          {activeTab === 'evaluation' && (
+            <QualityEvaluationPanel
+              actionSlot={actionSlot}
+              canEdit={canEdit}
+              knowledgeSpaceId={knowledgeSpaceId}
+              selectedRunId={selectedEvaluationRunId}
+              onSelectedRunIdChange={setSelectedEvaluationRunId}
+            />
+          )}
         </TabsPanel>
-
-        {canEdit && activeTab === 'golden' && selected.size > 0 && (
-          <div className="fixed bottom-6 left-[calc(50%+var(--new-rag-sidebar-width)/2)] flex h-12 -translate-x-1/2 items-center gap-2 rounded-xl border border-components-panel-border bg-components-panel-bg px-3 shadow-xl">
-            <span className="system-sm-medium text-text-primary">
-              {t(
-                ($) =>
-                  $[
-                    selected.size === 1
-                      ? 'newKnowledge.qualityPage.selectedCount_one'
-                      : 'newKnowledge.qualityPage.selectedCount_other'
-                  ],
-                { count: selected.size },
-              )}
-            </span>
-            <span aria-hidden className="h-5 w-px bg-divider-regular" />
-            <Button
-              variant="secondary"
-              tone="destructive"
-              onClick={() => setDeleteIds(new Set(selected))}
-            >
-              {t(($) => $['newKnowledge.qualityPage.deleteEllipsis'])}
-            </Button>
-            <button
-              type="button"
-              aria-label={t(($) => $['newKnowledge.qualityPage.clearSelection'])}
-              className="flex size-7 items-center justify-center rounded-md text-text-tertiary outline-hidden hover:bg-state-base-hover focus-visible:ring-2 focus-visible:ring-state-accent-solid"
-              onClick={() => setSelected(new Set())}
-            >
-              <span aria-hidden className="i-ri-close-line size-4" />
-            </button>
-          </div>
-        )}
       </Tabs>
-
-      {dialog && (
-        <GoldenQuestionDialog
-          key={dialog.key}
-          initialValue={dialog.value}
-          knowledgeSpaceId={knowledgeSpaceId}
-          mode={dialog.mode}
-          open
-          error={dialogError}
-          pending={
-            dialogSubmitting ||
-            createGoldenMutation.isPending ||
-            updateGoldenMutation.isPending ||
-            deleteGoldenMutation.isPending
-          }
-          onOpenChange={(open) => {
-            if (!open) {
-              setDialog(undefined)
-              setDialogError(undefined)
-            }
-          }}
-          onSubmit={submitDialog}
-        />
-      )}
-      {importOpen && (
-        <GoldenQuestionImportDialog
-          knowledgeSpaceId={knowledgeSpaceId}
-          open
-          onImported={invalidateQuality}
-          onOpenChange={setImportOpen}
-        />
-      )}
-      <AlertDialog
-        open={Boolean(deleteIds)}
-        onOpenChange={(open) => {
-          if (!open && !deleteSubmitting) setDeleteIds(undefined)
-        }}
-      >
-        <AlertDialogContent>
-          <div className="flex flex-col gap-2 px-6 pt-6 pb-4">
-            <AlertDialogTitle className="title-2xl-semi-bold text-text-primary">
-              {tCommon(($) => $['operation.deleteConfirmTitle'])}
-            </AlertDialogTitle>
-            <AlertDialogDescription className="system-sm-regular text-text-tertiary">
-              {tCommon(($) => $['operation.confirmAction'])}
-            </AlertDialogDescription>
-          </div>
-          <AlertDialogActions>
-            <AlertDialogCancelButton variant="secondary" disabled={deleteSubmitting}>
-              {tCommon(($) => $['operation.cancel'])}
-            </AlertDialogCancelButton>
-            <AlertDialogConfirmButton
-              tone="destructive"
-              loading={deleteSubmitting}
-              disabled={deleteSubmitting}
-              onClick={() => {
-                if (deleteIds) void deleteGolden(deleteIds)
-              }}
-            >
-              {tCommon(($) => $['operation.delete'])}
-            </AlertDialogConfirmButton>
-          </AlertDialogActions>
-        </AlertDialogContent>
-      </AlertDialog>
     </main>
   )
 }
diff --git a/web/features/new-rag/quality/quality-query-state.tsx b/web/features/new-rag/quality/quality-query-state.tsx
new file mode 100644
index 00000000000..c1308c30fd8
--- /dev/null
+++ b/web/features/new-rag/quality/quality-query-state.tsx
@@ -0,0 +1,38 @@
+import type { ReactNode } from 'react'
+import { Button } from '@langgenius/dify-ui/button'
+import { useTranslation } from 'react-i18next'
+import Loading from '@/app/components/base/loading'
+
+export function QualityQueryState({
+  children,
+  error,
+  loading,
+  onRetry,
+}: {
+  children: ReactNode
+  error: boolean
+  loading: boolean
+  onRetry: () => void
+}) {
+  const { t } = useTranslation('dataset')
+
+  if (loading)
+    return (
+      <div className="flex min-h-105 items-center justify-center">
+        <Loading />
+      </div>
+    )
+
+  if (error)
+    return (
+      <div className="flex min-h-105 flex-col items-center justify-center gap-3 text-center">
+        <span aria-hidden className="i-ri-error-warning-line size-8 text-text-warning" />
+        <p role="alert" className="system-sm-medium text-text-primary">
+          {t(($) => $.unknownError)}
+        </p>
+        <Button onClick={onRetry}>{t(($) => $.retry)}</Button>
+      </div>
+    )
+
+  return children
+}
diff --git a/web/features/new-rag/quality/quality-row-menu-trigger.tsx b/web/features/new-rag/quality/quality-row-menu-trigger.tsx
new file mode 100644
index 00000000000..f7a49f1e5d1
--- /dev/null
+++ b/web/features/new-rag/quality/quality-row-menu-trigger.tsx
@@ -0,0 +1,13 @@
+import { DropdownMenuTrigger } from '@langgenius/dify-ui/dropdown-menu'
+
+export function QualityRowMenuTrigger({ disabled, label }: { disabled?: boolean; label: string }) {
+  return (
+    <DropdownMenuTrigger
+      aria-label={label}
+      disabled={disabled}
+      className="ml-auto flex size-7 items-center justify-center rounded-md text-text-tertiary outline-hidden hover:bg-state-base-hover focus-visible:ring-2 focus-visible:ring-state-accent-solid disabled:cursor-not-allowed disabled:text-text-disabled"
+    >
+      <span aria-hidden className="i-ri-more-fill size-4.5" />
+    </DropdownMenuTrigger>
+  )
+}